ABAP Select data from SAP table ARBERP_XINVC_S_DTL_ITEM_REF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ARBERP_XINVC_S_DTL_ITEM_REF table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to ARBERP_XINVC_S_DTL_ITEM_REF. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the ARBERP_XINVC_S_DTL_ITEM_REF table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_ARBERP_XINVC_S_DTL_ITEM_REF TYPE STANDARD TABLE OF ARBERP_XINVC_S_DTL_ITEM_REF,
      WA_ARBERP_XINVC_S_DTL_ITEM_REF TYPE ARBERP_XINVC_S_DTL_ITEM_REF,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <ARBERP_XINVC_S_DTL_ITEM_REF> TYPE ARBERP_XINVC_S_DTL_ITEM_REF.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ARBERP_XINVC_S_DTL_ITEM_REF.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ARBERP_XINVC_S_DTL_ITEM_REF
  INTO TABLE IT_ARBERP_XINVC_S_DTL_ITEM_REF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARBERP_XINVC_S_DTL_ITEM_REF
*  INTO TABLE @DATA(IT_ARBERP_XINVC_S_DTL_ITEM_REF2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_ARBERP_XINVC_S_DTL_ITEM_REF INDEX 1 INTO DATA(WA_ARBERP_XINVC_S_DTL_ITEM_REF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ARBERP_XINVC_S_DTL_ITEM_REF ASSIGNING <ARBERP_XINVC_S_DTL_ITEM_REF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARBERP_XINVC_S_DTL_ITEM_REF>-ITEM_ID = 1.
<ARBERP_XINVC_S_DTL_ITEM_REF>-SUPPLIER_PART_ID = 1.
<ARBERP_XINVC_S_DTL_ITEM_REF>-CONTENT = 1.
<ARBERP_XINVC_S_DTL_ITEM_REF>-REVISION_ID = 1.
<ARBERP_XINVC_S_DTL_ITEM_REF>-SUPPLIER_PART_AUXILIARY_ID = 1.

ENDLOOP.

LOOP AT IT_ARBERP_XINVC_S_DTL_ITEM_REF INTO WA_ARBERP_XINVC_S_DTL_ITEM_REF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARBERP_XINVC_S_DTL_ITEM_REF-CONTENT, sy-vline,
  WA_ARBERP_XINVC_S_DTL_ITEM_REF-X_CONTENT, sy-vline,
  WA_ARBERP_XINVC_S_DTL_ITEM_REF-BUYER_PART_ID, sy-vline,
  WA_ARBERP_XINVC_S_DTL_ITEM_REF-CONTENT, sy-vline,
  WA_ARBERP_XINVC_S_DTL_ITEM_REF-ID_REFERENCE, sy-vline,
  WA_ARBERP_XINVC_S_DTL_ITEM_REF-DESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARBERP_XINVC_S_DTL_ITEM_REF you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_ARBERP_XINVC_S_DTL_ITEM_REF TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_ARBERP_XINVC_S_DTL_ITEM_REF INTO WA_ARBERP_XINVC_S_DTL_ITEM_REF.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ARBERP_XINVC_S_DTL_ITEM_REF_STR, 
ITEM_ID TYPE STRING,
SUPPLIER_PART_ID TYPE STRING,
CONTENT TYPE STRING,
REVISION_ID TYPE STRING,
SUPPLIER_PART_AUXILIARY_ID TYPE STRING,
CONTENT TYPE STRING,
X_CONTENT TYPE STRING,
BUYER_PART_ID TYPE STRING,
CONTENT TYPE STRING,
ID_REFERENCE TYPE STRING,
DESCRIPTION TYPE STRING,
CONTENT TYPE STRING,
SHORT_NAME TYPE STRING,
XML_LANG TYPE STRING,
TYPE TYPE STRING,
CLASSIFICATION TYPE STRING,
MANUFACTURER_PART_ID TYPE STRING,
CONTENT TYPE STRING,
MANUFACTURER_NAME TYPE STRING,
CONTENT TYPE STRING,
XML_LANG TYPE STRING,
COUNTRY TYPE STRING,
CONTENT TYPE STRING,
ISO_COUNTRY_CODE TYPE STRING,
SERIAL_NUMBER_LIST TYPE STRING,
SUPPLIER_BATCH_ID TYPE STRING,
CONTENT TYPE STRING,
INVOICE_DETAIL_ITEM_REF_INDUST TYPE STRING,
INVOICE_DETAIL_ITEM_REF_RETAIL TYPE STRING,
EANID TYPE STRING,
CONTENT TYPE STRING,
EUROPEAN_WASTE_CATALOG_ID TYPE STRING,
CONTENT TYPE STRING,
CHARACTERISTIC TYPE STRING,
LINE_NUMBER TYPE STRING,
SERIAL_NUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-ITEM_ID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-SUPPLIER_PART_ID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-REVISION_ID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-SUPPLIER_PART_AUXILIARY_ID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-X_CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-BUYER_PART_ID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-ID_REFERENCE sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-DESCRIPTION sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-SHORT_NAME sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-XML_LANG sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-TYPE sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CLASSIFICATION sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-MANUFACTURER_PART_ID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-MANUFACTURER_NAME sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-XML_LANG sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-COUNTRY sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-ISO_COUNTRY_CODE sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-SERIAL_NUMBER_LIST sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-SUPPLIER_BATCH_ID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-INVOICE_DETAIL_ITEM_REF_INDUST sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-INVOICE_DETAIL_ITEM_REF_RETAIL sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-EANID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-EUROPEAN_WASTE_CATALOG_ID sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CONTENT sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-CHARACTERISTIC sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-LINE_NUMBER sy-vline 
WA_ARBERP_XINVC_S_DTL_ITEM_REF_STR-SERIAL_NUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.